CVE-2026-3204

EUVD-2026-9337
Improper
 input validation in the error message page in Devolutions Server 2025.3.16 and earlier allows remote attackers to spoof the displayed error message via a specially crafted URL.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
devolutionsdevolutions_server
𝑥
≤ 2025.3.16.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://devolutions.net/security/advisories/DEVO-2026-0005